<script type="text/javascript">
	$(document).ready(function() {
		$("#dataInicial").datepicker();
		$("#dataFinal").datepicker();
	});
</script>

<div class="linha">
	<div class="coluna1">
		<label>Data Inicial:</label>
	</div>
	<div class="coluna2">
		<input type="text" name="dataInicial" id="dataInicial" class="field2" />
	</div>
	<div class="coluna1">
		<label>Data Final:</label>
	</div>
	<div class="coluna2">
		<input type="text" name="dataFinal" id="dataFinal" class="field2" value="" />
	</div>
</div>